SUSE-SU-2026:23879-1: moderate: Security update for swtpm

[SLE-SECURITY-UPDATES]

# Security update for swtpm

Announcement ID: SUSE-SU-2026:23879-1  
Release Date: 2026-09-22T12:23:55Z  
Rating: moderate  
References:

  * bsc#1275653

  
Cross-References:

  * CVE-2026-75900

  
CVSS scores:

  * CVE-2026-75900 ( SUSE ):  6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-75900 ( NVD ):  6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for swtpm fixes the following issue:

  * CVE-2026-75900: Out-of-bounds read in SWTPM_NVRAM_CheckHeader due to
    sizeof(pointer) vs sizeof(struct) mismatch (bsc#1275653).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-911

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * swtpm-0.8.0-2.1
    * swtpm-debugsource-0.8.0-2.1
    * swtpm-debuginfo-0.8.0-2.1
  * SUSE Linux Micro 6.0 (noarch)
    * swtpm-selinux-0.8.0-2.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-75900.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1275653

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